package dao;

import java.sql.Timestamp;
import java.util.List;

import org.hibernate.LockOptions;
import org.hibernate.Query;
import org.hibernate.Session;
import org.hibernate.SessionFactory;
import org.hibernate.criterion.Order;

import static org.hibernate.criterion.Example.create;

import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import org.springframework.context.ApplicationContext;
import org.springframework.transaction.annotation.Transactional;

/**
 * A data access object (DAO) providing persistence and search support for
 * Productsnews entities. Transaction control of the save(), update() and
 * delete() operations can directly support Spring container-managed
 * transactions or they can be augmented to handle user-managed Spring
 * transactions. Each of these methods provides additional information for how
 * to configure it for the desired type of transaction control.
 * 
 * @see dao.Productsnews
 * @author MyEclipse Persistence Tools
 */
@Transactional
public class ProductsnewsDAO {
	private static final Logger log = LoggerFactory
			.getLogger(ProductsnewsDAO.class);
	// property constants
	public static final String TITLE = "title";
	public static final String CONTENT = "content";
	public static final String GAME_ID = "gameId";
	public static final String INFO_TYPE = "infoType";
	public static final String GAME_NAME = "gameName";

	private SessionFactory sessionFactory;

	public void setSessionFactory(SessionFactory sessionFactory) {
		this.sessionFactory = sessionFactory;
	}

	private Session getCurrentSession() {
		return sessionFactory.getCurrentSession();
	}

	protected void initDao() {
		// do nothing
	}

	public void save(Productsnews transientInstance) {
		log.debug("saving Productsnews instance");
		try {
			getCurrentSession().save(transientInstance);
			log.debug("save successful");
		} catch (RuntimeException re) {
			log.error("save failed", re);
			throw re;
		}
	}

	public void delete(Productsnews persistentInstance) {
		log.debug("deleting Productsnews instance");
		try {
			getCurrentSession().delete(persistentInstance);
			log.debug("delete successful");
		} catch (RuntimeException re) {
			log.error("delete failed", re);
			throw re;
		}
	}

	public Productsnews findById(java.lang.Integer id) {
		log.debug("getting Productsnews instance with id: " + id);
		try {
			Productsnews instance = (Productsnews) getCurrentSession().get(
					"dao.Productsnews", id);
			return instance;
		} catch (RuntimeException re) {
			log.error("get failed", re);
			throw re;
		}
	}

	public List<Productsnews> findByExample(Productsnews instance) {
		log.debug("finding Productsnews instance by example");
		try {
			List<Productsnews> results = (List<Productsnews>) getCurrentSession()
					.createCriteria("dao.Productsnews").add(create(instance)).addOrder(Order.desc("id"))
					.list();
			log.debug("find by example successful, result size: "
					+ results.size());
			return results;
		} catch (RuntimeException re) {
			log.error("find by example failed", re);
			throw re;
		}
	}

	public List findByProperty(String propertyName, Object value) {
		log.debug("finding Productsnews instance with property: "
				+ propertyName + ", value: " + value);
		try {
			String queryString = "from Productsnews as model where model."
					+ propertyName + "= ? order by id desc ";
			Query queryObject = getCurrentSession().createQuery(queryString);
			queryObject.setParameter(0, value);
			return queryObject.list();
		} catch (RuntimeException re) {
			log.error("find by property name failed", re);
			throw re;
		}
	}

	public List<Productsnews> findByTitle(Object title) {
		return findByProperty(TITLE, title);
	}

	public List<Productsnews> findByContent(Object content) {
		return findByProperty(CONTENT, content);
	}

	public List<Productsnews> findByGameId(Object gameId) {
		return findByProperty(GAME_ID, gameId);
	}

	public List<Productsnews> findByInfoType(Object infoType) {
		return findByProperty(INFO_TYPE, infoType);
	}

	public List<Productsnews> findByGameName(Object gameName) {
		return findByProperty(GAME_NAME, gameName);
	}

	public List findAll() {
		log.debug("finding all Productsnews instances");
		try {
			String queryString = "from Productsnews";
			Query queryObject = getCurrentSession().createQuery(queryString);
			return queryObject.list();
		} catch (RuntimeException re) {
			log.error("find all failed", re);
			throw re;
		}
	}

	public Productsnews merge(Productsnews detachedInstance) {
		log.debug("merging Productsnews instance");
		try {
			Productsnews result = (Productsnews) getCurrentSession().merge(
					detachedInstance);
			log.debug("merge successful");
			return result;
		} catch (RuntimeException re) {
			log.error("merge failed", re);
			throw re;
		}
	}

	public void attachDirty(Productsnews instance) {
		log.debug("attaching dirty Productsnews instance");
		try {
			getCurrentSession().saveOrUpdate(instance);
			log.debug("attach successful");
		} catch (RuntimeException re) {
			log.error("attach failed", re);
			throw re;
		}
	}

	public void attachClean(Productsnews instance) {
		log.debug("attaching clean Productsnews instance");
		try {
			getCurrentSession().buildLockRequest(LockOptions.NONE).lock(
					instance);
			log.debug("attach successful");
		} catch (RuntimeException re) {
			log.error("attach failed", re);
			throw re;
		}
	}

	public static ProductsnewsDAO getFromApplicationContext(
			ApplicationContext ctx) {
		return (ProductsnewsDAO) ctx.getBean("ProductsnewsDAO");
	}
}